Monoprice 103023 3-RCA Coupler for Component Video Cable Extension-Single Color Gold RCA coupler with RGB style Triple RCA (female) to triple RCA (female) Mainly use d for gender changes of the cable For example you have a male to male cable This coupler will adapt to make your cable a male to female A general reason for this kind of conversion is to make a one long cable out of two short or some equipment has a male connection in the back instead of female and so on